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Therapeutic ultrasound

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https://www.readbyqxmd.com/read/29458153/eus-guided-transluminal-interventions
#1
Uzma D Siddiqui, Michael J Levy
The role of endoscopic ultrasound (EUS) has transitioned from a diagnostic to a therapeutic one over the past 40 years. With the advent of curvilinear array echoendoscopes in the 1990's with an accessory channel, multiple tools and devices have been developed and utilized for a variety of transluminal interventions. EUS provides a viable option and is becoming the procedure of choice for many interventions including bile and pancreatic duct drainage, guiding angiotherapy, pancreatic fluid collection management, gallbladder drainage, and creating a gastrojejunostomy...
February 16, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29455832/diagnostic-and-therapeutic-implications-of-ultrasound-imaging-of-perianal-fistulous-tracts-in-patients-with-suspected-hidradenitis-suppurativa
#2
A Gómez-Zubiaur, F Alfageme, E Martínez-Lorenzo, G Roustán
No abstract text is available yet for this article.
February 15, 2018: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/29454788/advances-and-challenges-in-endoscopic-training
#3
Kevin A Waschke, Walter Coyle
One of the challenges of the current era is ensuring that endoscopic training is accomplished effectively in the face of multiple competing demands. As healthcare delivery evolves, with rising patient complexity and increasing productivity requirements, there is mounting pressure on the time available for training in the clinical setting. The practice of endoscopy itself continues to expand to include increasingly complex procedures (e.g. therapeutic endoscopic ultrasound (EUS), endoscopic submucosal dissection (ESD), peroral endoscopic myotomy (POEM), etc...
February 15, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29453349/ultrasound-and-shock-wave-stimulation-to-promote-axonal-regeneration-following-nerve-surgery-a-systematic-review-and-meta-analysis-of-preclinical-studies
#4
Simeon C Daeschler, Leila Harhaus, Philipp Schoenle, Arne Boecker, Ulrich Kneser, Konstantin D Bergmeister
Limited regeneration after nerve injury often leads to delayed or incomplete reinnervation and consequently insufficient muscle function. Following nerve surgery, application of low-intensity ultrasound or extracorporeal shock waves may promote nerve regeneration and improve functional outcomes. Because currently clinical data is unavailable, we performed a meta-analysis following the PRISMA-guidelines to investigate the therapeutic effect of ultrasound and shock wave therapies on motor nerve regeneration. Ten ultrasound-studies (N = 445 rats) and three shock-wave studies (N = 110 rats) were identified from multiple databases...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29452275/a-laser-activated-multifunctional-targeted-nanoagent-for-imaging-and-gene-therapy-in-a-mouse-xenograft-model-with-retinoblastoma-y79-cells
#5
Mingxing Wu, Haibo Xiong, Hongmi Zou, Meng Li, Pan Li, Yu Zhou, Yan Xu, Jia Jian, Fengqiu Liu, Hongyun Zhao, Zhigang Wang, Xiyuan Zhou
Retinoblastoma (RB) is the most common intraocular malignancy of childhood that urgently needs early detection and effective therapy methods. The use of nanosized gene delivery systems is appealing because of their highly adjustable structure to carry both therapeutic and imaging agents. Herein, we report a folic acid (FA)-modified phase-changeable cationic nanoparticle encapsulating liquid perfluoropentane (PFP) and indocyanine green (ICG) (FA-CN-PFP-ICG, FCNPI) with good plasmid DNA (pDNA) carrying capacity, favorable biocompatibility, excellent photoacoustic (PA) and ultrasound (US) contrast, enhanced gene transfection efficiency and therapeutic effect...
February 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29452076/feasibility-of-eus-guided-nd-yag-laser-ablation-of-unresectable-pancreatic-adenocarcinoma
#6
Francesco Maria Di Matteo, Paola Saccomandi, Margareth Martino, Monica Pandolfi, Margherita Pizzicannella, Valerio Balassone, Emiliano Schena, Claudio Marcello Pacella, Sergio Silvestri, Guido Costamagna
BACKGROUND AND AIMS: Endoscopic ultrasound (EUS) has become an interventional technique in which a needle may be used as a vehicle to deliver therapeutic agents. Laser ablation (LA) has been used to treat many primary and secondary neoplasms. This study aimed to assess the feasibility of EUS-guided LA for unresectable (UR) pancreatic cancer. METHODS: Patients with a stage IIb-III pancreatic cancer underwent EUS-guided LA. All patients were unresponsive to previous chemo-radiotherapy...
February 13, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29451124/copper-oxide-loaded-plga-nanospheres-towards-a-multifunctional-nanoscale-platform-for-ultrasound-based-imaging-and-therapy
#7
Or Perlman, Iris S Weitz, Sarit Sivan, Hiba Abu-Khalla, Madeleine Benguigui, Yuval Shaked, Haim Azhari
Copper oxide nanoparticles (CuO-NPs) are increasingly investigated for diagnostic and therapeutic purposes. Recent work have demonstrated their anticancer potential as well as contrast agent capabilities for magnetic resonance imaging (MRI) and through-transmission ultrasound. However, no capabilities of CuO-NPS were demonstrated using conventional ultrasound systems, which, unlike the formers, are widely deployed in the clinic. Furthermore, in spite of their potential as multifunctional nano-based materials for diagnosis and therapy, CuO-NPs were delayed from further clinical translation due to their inherent toxicity...
February 16, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29450905/a-tramp-derived-orthotopic-prostate-syngeneic-tops-cancer-model-for-investigating-anti-tumor-treatments
#8
Justin Lardizabal, Jun Ding, Zahid Delwar, Paul S Rennie, William Jia
BACKGROUND: Patients with advanced prostate cancer have limited curative options, therefore new treatments are needed. Mouse models play a pivotal role in the discovery and development of new treatments. In the present study, a TRAMP-derived Orthotopic Prostate Syngeneic (TOPS) mouse model was developed and found to provide a consistent means of monitoring tumor and metastatic responses to novel treatments. METHODS: The mouse TOPS model was generated using luciferase transduced TRAMP-C2 prostate cancer cells that were orthotopically injected into Bl6 mice by ultrasound guidance...
February 16, 2018: Prostate
https://www.readbyqxmd.com/read/29450624/-intraoperative-optical-coherence-tomography-in-explorative-vitrectomy-in-patients-with-vitreous-haemorrhage-a-case-series
#9
D Heinrich, S Bohnacker, M A Nasseri, N Feucht, C P Lohmann, M Maier
BACKGROUND: High-resolution spectral domain optical coherence tomography (SD-OCT) is a gold standard technique for diagnosis, management and monitoring of patients with vitreoretinal diseases. Preoperative diagnostics for evaluation of intraocular and retinal status in patients with vitreous haemorrhage are limited, thus final therapeutic decisions can only be made during explorative vitrectomy. We evaluated the use of intraoperative SD-OCT (iSD-OCT) as a real-time additional diagnostic tool during explorative vitrectomy in patients with vitreous haemorrhage...
February 15, 2018: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29447933/ultrasound-guided-percutaneous-electrolysis-a-new-therapeutic-option-for-mammary-fistulas
#10
Juan D Berná-Serna, José A García-Vidal, Pilar Escolar-Reina, Juan D Berná-Mestre
Mammary fistula (MF) is a recurrent condition characterised by the draining of abscesses around the areola. The best management for MF remains challenging. Moreover, the main problem is the high recurrence rate of this disease. MF is considered a chronic process. The percutaneous electrolysis (PE) technique involves the application of a galvanic current with an ultrasound-guided needle to induce ablation and repair of the affected tissue. Good results have been obtained with PE in chronic tendinopathies. Below we present a hypothesis that PE may be a new therapeutic option for MF...
March 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29444633/talaromycosis-penicilliosis-in-a-cynomolgus-macaque
#11
William O Iverson, Subramanya Karanth, Angela Wilcox, Cau D Pham, Shawn R Lockhart, Simone M Nicholson
A sexually mature Chinese-origin female Macaca fascicularis assigned to the high-dose group in a 26-week toxicology study with an experimental immunomodulatory therapeutic antibody (a CD40 L antagonist fusion protein) was euthanized at the scheduled terminal sacrifice on study day 192. The animal was healthy at study initiation and remained clinically normal throughout the study. On study day 141, abnormal clinical pathology changes were found during a scheduled evaluation; splenomegaly was detected on study day 149 and supported by ultrasound examination...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29443073/percutaneous-contrast-echocardiography-guided-intramyocardial-injection-and-cell-delivery-in-a-large-preclinical-model
#12
Alejandro Giraldo, Jesús Talavera López, Maria Josefa Fernandez-Del-Palacio, Obdulio García-Nicolás, Juan Seva, Gavin Brooks, José María Moraleda
Cell and gene therapy are exciting and promising strategies for the purpose of cardiac regeneration in the setting of heart failure with reduced ejection fraction (HFrEF). Before they can be considered for use, and implemented in humans, extensive preclinical studies are required in large animal models to evaluate the safety, efficacy, and fate of the injectate (e.g., stem cells) once delivered into the myocardium. Small rodent models offer advantages (e.g., cost effectiveness, amenability for genetic manipulation); however, given inherent limitations of these models, the findings in these rarely translate into the clinic...
January 21, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29442483/quantification-of-ultrasound-imaging-in-the-staging-of-hepatic-fibrosis
#13
Paolo Borro, Silvana G Dellepiane, Rinaldo Pellicano, Laura Gemme, Sharmila Fagoonee, Gianni Testino
OBJECTIVE: The need for a staging of hepatic fibrosis has become particularly urgent in the last few years in order to start new therapeutic treatments. The objective of this study is to identify ultrasound descriptors and achieve a staging of hepatic fibrosis with non-invasive, rapid and inexpensive methods, both as an alternative and a support to the ultrasound elastography examination. MATERIALS AND METHODS: This study evaluated 196 patients under treatment at the Alcohological Regional Center...
February 13, 2018: Panminerva Medica
https://www.readbyqxmd.com/read/29440962/focal-achalasia-case-report-and-review-of-the-literature
#14
Marcus Joachim Herzig, Radu Tutuian
Esophageal achalasia is a primary smooth muscle motility disorder specified by aperistalsis of the tubular esophagus in combination with a poorly relaxing and occasionally hypertensive lower esophageal sphincter (LES). These changes occur secondary to the destruction of the neural network coordinating esophageal peristalsis and LES relaxation (plexus myentericus). There are limited data on segmental involvement of the esophagus in adults. We report on the case of a 54-year-old man who presented initially with complete aperistalsis limited to the distal esophagus...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29439611/do-not-underestimate-the-femoral-pseudoaneurysm
#15
Maria Stolt, Ruediger Braun-Dullaeus, Joerg Herold
In addition to haematoma and arteriovenous fistula, the iatrogenic pseudoaneurysm is a common complication of vascular access that is caused by a perforation in the arterial wall. Iatrogenic pseudoaneurysms can progress in size and lead to rupture and active bleeding. Over the previous few decades, therapeutic methods have evolved from surgical repair to less invasive options, such as ultrasound-guided compression therapy (UGCT) and ultrasound-guided thrombin injection (UGTI). This paper presents an overview of the diagnostic and treatment modalities used in femoral pseudoaneurysms as well as a comprehensive summary of previous studies that analysed the success and complication rates of UGCT and UGTI...
February 14, 2018: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29439295/transcriptional-profiling-of-synovial-macrophages-using-minimally-invasive-ultrasound-guided-synovial-biopsies-in-rheumatoid-arthritis
#16
Arthur M Mandelin, Philip J Homan, Alexander M Shaffer, Carla M Cuda, Salina T Dominguez, Emily Bacalao, Mary Carns, Monique Hinchcliff, Jungwha Lee, Kathleen Aren, Anjali Thakrar, Anna B Montgomery, S Louis Bridges, Joan M Bathon, John P Atkinson, David A Fox, Eric L Matteson, Christopher D Buckley, Costantino Pitzalis, Deborah Parks, Laura B Hughes, Laura Geraldino-Pardilla, Robert Ike, Kristine Phillips, Kerry Wright, Andrew Filer, Stephen Kelly, Eric M Ruderman, Vince Morgan, Hiam Abdala-Valencia, Alexander V Misharin, G Scott Budinger, Elizabeth T Bartom, Richard M Pope, Harris Perlman, Deborah R Winter
OBJECTIVE: Currently, there are no reliable biomarkers for predicting therapeutic response in patients with rheumatoid arthritis (RA). The synovium may unlock critical information for determining efficacy as reduction in numbers of sublining synovial macrophages remains the most reproducible biomarker. Thus, a clinically actionable method for collection of synovial tissue, which can be analyzed using high-throughput strategies, must become a reality. METHODS: Rheumatologists at six United States academic sites were trained in minimally invasive ultrasound-guided synovial tissue biopsy...
February 13, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29437914/gastrointestinal-ultrasound-in-inflammatory-bowel-disease-an-underused-resource-with-potential-paradigm-changing-application
#17
REVIEW
Robert Venning Bryant, Antony Friedman, Emily Kate Wright, Kirstin Taylor, Jakob Begun, Giovanni Maconi, Christian Maaser, Kerri L Novak, Torsten Kucharzik, Nathan S S Atkinson, Anil Asthana, Peter R Gibson
Evolution of treatment targets in IBD has increased the need for objective monitoring of disease activity to guide therapeutic strategy. Although mucosal healing is the current target of therapy in IBD, endoscopy is invasive, expensive and unappealing to patients. GI ultrasound (GIUS) represents a non-invasive modality to assess disease activity in IBD. It is accurate, cost-effective and reproducible. GIUS can be performed at the point of care without specific patient preparation so as to facilitate clinical decision-making...
February 3, 2018: Gut
https://www.readbyqxmd.com/read/29436519/low-intensity-focused-ultrasound-alters-the-latency-and-spatial-patterns-of-sensory-evoked-cortical-responses-in-vivo
#18
Jonathan A N Fisher, Iryna Gumenchuk
The use of transcranial, low intensity focused ultrasound (FUS) is an emerging neuromodulation technology that shows promise for both therapeutic and research applications. Among many, one of the most exciting applications is the use of FUS to rehabilitate or augment human sensory capabilities. While there is compelling empirical evidence demonstrating this capability, basic questions regarding the spatiotemporal extent of the modulatory effects remain. Our objective was to assess the basic, yet often overlooked hypothesis that FUS in fact alters sensory-evoked neural activity within the region of the cerebral cortex at the beam's focus...
February 13, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29436307/cancers-of-the-major-salivary-gland
#19
Eugene Son, Aru Panwar, Charles H Mosher, Daniel Lydiatt
Salivary gland malignancies are rare tumors that comprise multiple histologic entities with diverse clinical behavior. Mucoepidermoid carcinoma is the most frequent primary salivary malignancy, followed by adenoid cystic and acinic cell carcinoma. Although most salivary malignancies are asymptomatic, presentation with a rapidly enlarging mass may be accompanied by pain, functional neurologic deficits, soft-tissue invasion, or nodal enlargement. Assessment of clinical behavior and physical exam greatly contributes to diagnostic workup...
February 2018: Journal of Oncology Practice
https://www.readbyqxmd.com/read/29435815/nerve-ultrasound-predicts-treatment-response-in-chronic-inflammatory-demyelinating-polyradiculoneuropathy-a-prospective-follow-up
#20
Florian Härtig, Marlene Ross, Nele Maria Dammeier, Nadin Fedtke, Bianka Heiling, Hubertus Axer, Bernhard F Décard, Eva Auffenberg, Marilin Koch, Tim W Rattay, Markus Krumbholz, Antje Bornemann, Holger Lerche, Natalie Winter, Alexander Grimm
As reliable biomarkers of disease activity are lacking, monitoring of therapeutic response in chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) remains a challenge. We sought to determine whether nerve ultrasound and electrophysiology scoring could close this gap. In CIDP patients (fulfilling EFNS/PNS criteria), we performed high-resolution nerve ultrasound to determine ultrasound pattern sum scores (UPSS) and predominant echotexture nerve conduction study scores (NCSS) as well as Medical Research Council sum scores (MRCSS) and inflammatory neuropathy cause and treatment disability scores (INCAT) at baseline and after 12 months of standard treatment...
February 12, 2018: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
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